Natural pearls are composed entirely of nacre, a combination of aragonite and an organic binder called conchiolin. In an effort to protect itself from an intruder, the oyster coats itself with layers of nacre, also known as mother-of-pearl, the same substance it uses for shell building.
Mother Of Pearl.
Mother of pearl.
Mother of pearl.
Mother of pearl.
Mother of pearl.
Mother of pearl.
Mother of pearl.
Mother Of Pearl.
Mother of pearl.
Mother of pearl.
Mother Of Pearl.
Mother Of Pearl.
Mother Of Pearl.
Mother Of Pearl.
Mother Of Pearl.
Mother of pearl.
Mother of pearl.
Mother Of Pearl.
Mother of pearl.